(something) is just what (one) needs(redirected from is just what you need)
(something) is just what (one) needs
Said ironically to indicate that something is not wanted or needed at all. Great, more interns to train—that's just what I need! We're already struggling to keep up with everything our kids are doing, so a house full of relatives is just what we need right now.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.